diff options
Diffstat (limited to 'drivers/block/blkcache.c')
| -rw-r--r-- | drivers/block/blkcache.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/block/blkcache.c b/drivers/block/blkcache.c index b53420a3a88..f99465aa479 100644 --- a/drivers/block/blkcache.c +++ b/drivers/block/blkcache.c @@ -150,8 +150,8 @@ void blkcache_invalidate(int iftype, int devnum) list_for_each_safe(entry, n, &block_cache) { node = (struct block_cache_node *)entry; - if ((node->iftype == iftype) && - (node->devnum == devnum)) { + if (iftype == -1 || + (node->iftype == iftype && node->devnum == devnum)) { list_del(entry); free(node->cache); free(node); @@ -162,18 +162,10 @@ void blkcache_invalidate(int iftype, int devnum) void blkcache_configure(unsigned blocks, unsigned entries) { - struct block_cache_node *node; + /* invalidate cache if there is a change */ if ((blocks != _stats.max_blocks_per_entry) || - (entries != _stats.max_entries)) { - /* invalidate cache */ - while (!list_empty(&block_cache)) { - node = (struct block_cache_node *)block_cache.next; - list_del(&node->lh); - free(node->cache); - free(node); - } - _stats.entries = 0; - } + (entries != _stats.max_entries)) + blkcache_invalidate(-1, 0); _stats.max_blocks_per_entry = blocks; _stats.max_entries = entries; @@ -188,3 +180,8 @@ void blkcache_stats(struct block_cache_stats *stats) _stats.hits = 0; _stats.misses = 0; } + +void blkcache_free(void) +{ + blkcache_invalidate(-1, 0); +} |